A magnitude ML 0.9 earthquake occured in region: 6 km SW Sellano (PG), on
and geographic coordinates (lat, lon) 42.8610, 12.8640 at 10 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
Search earthquakes: Any within 30 km radius
The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Sellano | PG | 6 | 1079 | 1079 |
Cerreto di Spoleto | PG | 6 | 1075 | 2154 |
Campello sul Clitunno | PG | 8 | 2442 | 4596 |
Trevi | PG | 10 | 8469 | 13065 |
Vallo di Nera | PG | 10 | 364 | 13429 |
Sant'Anatolia di Narco | PG | 14 | 564 | 13993 |
Preci | PG | 14 | 724 | 14717 |
Castel Ritaldi | PG | 16 | 3278 | 17995 |
Scheggino | PG | 17 | 461 | 18456 |
Foligno | PG | 17 | 57155 | 75611 |
Spoleto | PG | 17 | 38218 | 113829 |
Poggiodomo | PG | 18 | 117 | 113946 |
Montefalco | PG | 18 | 5679 | 119625 |
Monte Cavallo | MC | 19 | 145 | 119770 |
Visso | MC | 20 | 1107 | 120877 |
Cascia | PG | 20 | 3217 | 124094 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2020-04-04 21:17:19 |
42.8612 | 12.8645 | 10 | 2020-04-04 21:26:00 |
Sala Sismica INGV-Roma | 77893781 |
Field | Value |
---|---|
Time (UTC) | 2020-04-04 21:17:19 ± 0.05 |
Latitude | 42.8612 ± 0.0027 |
Longitude | 12.8645 ± 0.0037 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 77893781 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 275 |
Semi-minor axis of confidence ellipse (meter) | 272 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 348 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 270.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 96 |
Number of associated phases, regardless of their use for origin computation | 27 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.34084 |
Number of stations at which the event was observed | 20 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 77893781 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-04-04 21:26:00 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MSRU.HHZ. | 2020-04-04T21:18:36.11 | 3.0 | undecidable | manual | Pg | 8.65 | 0 | |||
IV.CAFE.HHZ. | 2020-04-04T21:18:35.67 | 3.0 | undecidable | manual | Sg | 4.52 | 0 | |||
IX.CSG3.HNZ.01 | 2020-04-04T21:18:34.61 | 3.0 | undecidable | manual | Sn | -2.93 | 0 | |||
IV.MCRV.HHZ. | 2020-04-04T21:18:31.08 | 3.0 | undecidable | manual | Sn | -3.54 | 0 | |||
IV.MILZ.HHZ. | 2020-04-04T21:18:26.18 | 3.0 | undecidable | manual | Pn | 0.02 | 0 | |||
IV.VITU.HHZ. | 2020-04-04T21:18:21.04 | 3.0 | undecidable | manual | Sn | -0.23 | 0 | |||
IV.PTRJ.HNZ. | 2020-04-04T21:18:15.12 | 3.0 | undecidable | manual | Sn | -1.81 | 0 | |||
IV.MCRV.HHZ. | 2020-04-04T21:18:02.67 | 3.0 | undecidable | manual | Pg | 5.97 | 0 | |||
IX.STN3.HNZ.01 | 2020-04-04T21:17:57.50 | 3.0 | undecidable | manual | Pn | -4.96 | 0 | |||
IV.CIMA.HNZ. | 2020-04-04T21:17:50.03 | 3.0 | undecidable | manual | Sg | 4.12 | 0 | |||
IV.IFOR.HHZ. | 2020-04-04T21:17:49.32 | 3.0 | positive | manual | Pn | -1.14 | 0 | |||
IV.CSP1.EHZ. | 2020-04-04T21:17:32.42 | 0.1 | undecidable | manual | S | 47 | 37.629 | 50 | -0.09 | 96 |
IV.MMO1.EHZ. | 2020-04-04T21:17:32.72 | 0.1 | undecidable | manual | S | 83 | 37.8288 | 50 | 0.16 | 94 |
IV.ARRO.EHZ. | 2020-04-04T21:17:31.08 | 0.1 | undecidable | manual | S | 194 | 32.2455 | 50 | 0 | 98 |
IV.CPGN.EHZ. | 2020-04-04T21:17:29.60 | 3.0 | undecidable | manual | P | 3.17 | 0 | |||
IV.MMO1.EHZ. | 2020-04-04T21:17:27.12 | 1.0 | undecidable | manual | P | 83 | 37.8288 | 50 | -0.06 | 24 |
IV.CSP1.EHZ. | 2020-04-04T21:17:27.19 | 1.0 | undecidable | manual | P | 47 | 37.629 | 50 | 0.04 | 24 |
IT.FOPC.HGZ. | 2020-04-04T21:17:27.00 | 0.1 | undecidable | manual | S | 313 | 17.7711 | 120 | 0.05 | 100 |
IV.NRCA.HHZ. | 2020-04-04T21:17:27.73 | 0.1 | undecidable | manual | S | 98 | 20.5683 | 117 | -0.06 | 99 |
IV.MTCL.HGZ. | 2020-04-04T21:17:26.60 | 3.0 | undecidable | manual | P | 0 | ||||
IV.CESX.HHE. | 2020-04-04T21:17:26.18 | 1.0 | undecidable | manual | P | 219 | 36.0417 | 50 | -0.72 | 20 |
IV.CESI.HHZ. | 2020-04-04T21:17:26.39 | 0.1 | undecidable | manual | S | 12 | 16.2726 | 122 | -0.11 | 99 |
IV.ARRO.EHZ. | 2020-04-04T21:17:26.54 | 1.0 | undecidable | manual | P | 194 | 32.2455 | 50 | 0.22 | 24 |
IV.FDMO.HHZ. | 2020-04-04T21:17:25.32 | 1.0 | undecidable | manual | P | 43 | 26.5512 | 50 | -0.12 | 24 |
IV.NRCA.HHZ. | 2020-04-04T21:17:24.45 | 0.1 | negative | manual | P | 98 | 20.5683 | 117 | 0.03 | 100 |
IV.CESI.HHZ. | 2020-04-04T21:17:23.77 | 0.1 | positive | manual | P | 12 | 16.2726 | 122 | 0.1 | 99 |
IT.FOPC.HGZ. | 2020-04-04T21:17:23.98 | 0.1 | undecidable | manual | P | 313 | 17.7711 | 120 | 0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESI.HHE. | ML:0.9 | 0.00006415 | 0.26 | AML | other | m | 2020-04-04T21:17:26.63 |
IV.CESI.HHN. | ML:0.9 | 0.00006520000000000001 | 0.16 | AML | other | m | 2020-04-04T21:17:26.53 |
IV.NRCA.HHN. | ML:1.1 | 0.00008529999999999999 | 1.02 | AML | other | m | 2020-04-04T21:17:27.92 |
IV.NRCA.HHE. | ML:0.9 | 0.00005375 | 0.12 | AML | other | m | 2020-04-04T21:17:29.57 |